/*

  * Copyright 2004-2008 the Seasar Foundation and the Others.

  *

  * Licensed under the Apache License, Version 2.0 (the "License");

  * you may not use this file except in compliance with the License.

  * You may obtain a copy of the License at

  *

  *     http://www.apache.org/licenses/LICENSE-2.0

  *

  * Unless required by applicable law or agreed to in writing, software

  * distributed under the License is distributed on an "AS IS" BASIS,

  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,

  * either express or implied. See the License for the specific language

  * governing permissions and limitations under the License.

  */

 package org.seasar.eclipse.common.launch;

 import org.eclipse.core.runtime.CoreException;

 import org.eclipse.debug.core.DebugPlugin;

 import org.eclipse.debug.core.ILaunchConfiguration;

 import org.eclipse.debug.core.ILaunchConfigurationType;

 import org.eclipse.debug.core.ILaunchConfigurationWorkingCopy;

 import org.eclipse.debug.core.ILaunchManager;

 import org.seasar.eclipse.common.CommonPlugin;

 /**

  * @author taichi

  * 

  */

 public class LaunchConfigurationFactory {

     public static ILaunchConfiguration create(CreationHandler handler) {

         ILaunchConfiguration config = null;

         try {

             ILaunchManager manager = DebugPlugin.getDefault()

                     .getLaunchManager();

             ILaunchConfigurationType type = manager

                     .getLaunchConfigurationType(handler.getTypeName());

             ILaunchConfiguration[] configs = manager

                     .getLaunchConfigurations(type);

             for (ILaunchConfiguration element : configs) {

                 if (element.getName().equals(handler.getConfigName())) {

                     if (handler.equals(element)) {

                         config = element;

                     } else {

                         element.delete();

                     }

                     break;

                 }

             }

             if (config == null) {

                 ILaunchConfigurationWorkingCopy copy = type.newInstance(null,

                         handler.getConfigName());

                 handler.setUp(copy);

                 config = copy.doSave();

             }

         } catch (CoreException e) {

             CommonPlugin.log(e);

         }

         return config;

     }

     public interface CreationHandler {

         String getTypeName();

         String getConfigName();

         boolean equals(ILaunchConfiguration config);

         void setUp(ILaunchConfigurationWorkingCopy config);

     }

 }